fix(TPC): maxBitratesVideo break screenshare
fix(TPC): maxBitratesVideo break screenshare

In Chrome, if 'maxBitratesVideo' options are specified
and 'capScreenshareBitrate' is disabled, then simulcast is enabled
for screenshare. Chrome in plan B, does not send screen stream if
'maxBitrate' are set and simulcast is enabled.

jitsi/lib-jitsi-meet,jitsi/lib-jitsi-meet